<button onclick="testPromise()">promise test</button>

<div id="test-promise-log" style="border: solid 1px #ccc; padding: 1em; margin: 15px 0;">
</div>
<button onclick="testPromiseSerial()">serial promise test</button>
<div id="test-promise-log2" style="border: solid 1px #ccc; padding: 1em; margin: 15px 0;">
</div>

<script src = 'promise.js'>

</script>